.container_12 { background-image: url(../img/12_col.gif); }
.container_16 { background-image: url(../img/16_col.gif); }
.container_24 { background-image: url(../img/24_col.gif); }
.container_12, .container_16, .container_24 {
  background-color: #fff;
  background-repeat: repeat-y;
  margin-bottom: 20px;
}
